/*
 * Copyright ©2021 su binglun(9085309@qq.com). All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *---------------------------------------------------------------------
 *-                                                                   -
 *-           Website : http://phoenix.sunny360.cn/                   -
 *-                                                                   -
 *---------------------------------------------------------------------
 */
package cn.sunny360.core.utils;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Base64;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.InflaterOutputStream;

public class ZipStrUtil {

    private static final String CHAR_SET = "UTF-8";

    /**
     * 压缩字符串，默认使用utf-8编码
     * @param text
     * @return
     */
    public static String zipBase64(String text) {
        try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
            try (DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(out)) {
                deflaterOutputStream.write(text.getBytes(CHAR_SET));
            }
            return new String(Base64.getEncoder().encode(out.toByteArray()));
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }
    /**
     * 解压字符串,默认utf-8
     *
     * @param text
     * @return
     */
    public static String unzipBase64(String text) {
        try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            try (OutputStream outputStream = new InflaterOutputStream(os)) {
                outputStream.write(Base64.getDecoder().decode(text));
            }
            return os.toString(CHAR_SET);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

}
